1.) term of disparragement. an insult. essentially derived from calling someone a cock and an asshole. Therefore, cockass.
(note: created by Jack Black of Tenacious D on the track "Inward Singing." He creates during a tirade against KG. )

One is called a cock-ass upon finding out information regarding his male stupidity. We proceed to tie the male in question to a board, and ram a rooster up his ass. From this day henceforth, he shall be rudely awakened at sunrise.

"Daniel is a cock-ass for telling me he was not ready for a relationship, until he found someone else that is."